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CVE-2022-35219— NHI card’s web service component - Stack-based Buffer Overflow-2

Quick assessment

Affected
NHI card’s web service component
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

National Health Insurance（NHI）是中国的台湾的医疗保险计划健保卡。 National Health Insurance 存在安全漏洞，该漏洞源于其web服务组件对网络包关键参数验证不足导致具有普通权限的局域网攻击者可以利用此漏洞实现拒绝服务。

CVSS 5.5 · Medium EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-35219

Vulnerability Information
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Vulnerability Title
NHI card’s web service component - Stack-based Buffer Overflow-2
Source: CVE Program / CVE List V5
Vulnerability Description
The NHI card’s web service component has a stack-based buffer overflow vulnerability due to insufficient validation for network packet key parameter. A LAN attacker with general user privilege can exploit this vulnerability to disrupt service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
National Health Insurance 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
National Health Insurance（NHI）是中国的台湾的医疗保险计划健保卡。 National Health Insurance 存在安全漏洞，该漏洞源于其web服务组件对网络包关键参数验证不足导致具有普通权限的局域网攻击者可以利用此漏洞实现拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NHI card’s web service component dae0509e5aabde2f110ce8418af67cf7 -

II. Public POCs for CVE-2022-35219

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III. Intelligence Information for CVE-2022-35219

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Vendor Advisories for CVE-2022-35219 (1)

Same Patch Batch · NHI · 2022-08-02 · 3 CVEs total

CVE-2022-35217 7.8 HIGH NHI card’s web service component - Stack-based Buffer Overflow-1
CVE-2022-35218 5.5 MEDIUM NHI card’s web service component - Heap-based Buffer Overflow

IV. Related Vulnerabilities

Same product: card’s web service component
Same vendor: NHI
Same weakness: CWE-787

V. Comments for CVE-2022-35219

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